RACH Configuration Using Cross-Node Parameter Sharing
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Solution Overview
Problem
Existing wireless communication networks face challenges in optimizing random access channel configurations due to limited local operational parameters at individual wireless access network nodes, leading to inefficiencies and potential contention among user mobile stations.
Innovation Solution
Collaborative optimization of random access channel configurations among multiple wireless access network nodes by sharing and integrating operational parameters across different types of nodes, such as central and distributed units, to enhance RACH configuration efficiency and reduce contention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If random access channel configuration is optimized locally at individual wireless access network nodes, then the configuration process is simple and quick, but the optimization is insufficient due to limited local operational parameters leading to increased contention among mobile stations
Solution Approach 1:
The patent merges the operational parameters from multiple wireless access network nodes (first node and second node) into a unified parameter set for collaborative optimization. The message exchange mechanism combines local parameters from both nodes, enabling the first node to generate an optimized RACH configuration that considers broader network conditions beyond just local parameters, thereby resolving the contradiction between optimization accuracy and system complexity.
2Productivity
If collaborative optimization is implemented by sharing operational parameters across multiple wireless access network nodes, then RACH configuration efficiency is enhanced with broader network-level parameters, but the system complexity and message exchange overhead increase
Solution Approach 1:
The message exchanged between the first and second wireless access network nodes serves multiple functions simultaneously: it carries operational parameters for optimization, acts as a coordination mechanism for collaborative configuration, and enables information sharing across the network. This multi-functionality approach enhances RACH configuration efficiency while minimizing the increase in network complexity by avoiding separate dedicated communication channels.
3Reliability
If dedicated user channels are used in traditional circuit-switched networks, then channel allocation is simple and reliable, but network resource utilization is inefficient compared to random access basis
Solution Approach 1:
The patent implements dynamic random access channel configuration that adapts to changing network conditions by continuously exchanging operational parameters between nodes and updating the RACH configuration accordingly. This dynamic approach maintains reliable channel allocation through collaborative optimization while significantly improving network resource utilization compared to static dedicated channels, as resources are allocated based on actual network demand and conditions.
Data Source
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AI summary
This disclosure relates to collaborative optimization of random access channel configuration in wireless access networks. In one implementation, optimization of the random access channel configuration in one wireless access network node may be performed with assistance from other wireless network nodes by receiving operational parameters that may be relevant for random access channel configuration optimization but are not locally collected at the wireless access network node.